外研版英语七年级下册Module 8 Unit3课件 (1).pptVIP

当我们谈论过去的动作或状态时，常常使用一般过去时，句中的谓语要用动词的过去式形式。 * * 一、行为动词过去式的构成规则如下： 变化规则 原形 过去式 一般动词结尾加-ed walk listen walked listened 以“不发音的字母e结尾”的单词后加-d live notice lived noticed 以“辅音字母+y结尾”的单词，y变为i，再加-ed hurry marry hurried married 以“元音字母+一个辅音字母结尾”的重读闭音节单词，先双写辅音字母，再加-ed stop step stopped stepped * 规则 动词原形 过去式 以轻辅音结尾的动词加-ed 后, ed读作 /t/ knock pick push like stop knocked picked pushed liked stopped 以浊辅音和元音结尾的动词加-ed后, ed读作/d/ answer enter hurry live answered entered hurried lived 以字母t, d结尾的动词加-ed后, ed读作/id/ count decide counted decided 二、一般动词的过去式中-ed 发音： * * answer enter hurry jump like notice point return try answered entered hurried jumped liked noticed pointed returned tried past form Read the words in the box and write the past forms of them. * 一、写出下列动词的过去式。 is\am _______? fly _______? plant ________? are _______? drink ________ play _______??? go ________? make _______ does _____? dance _______ worry ________? ask ______?? ? was flied planted were drank played went made did danced worried asked * 二、用 be 动词的适当形式填空。 1. I ____ an English teacher now. 2. She ____ happy yesterday. 3. They _____ glad to see each other last month. 4. Helen and Nancy ____ good friends. 5. The little dog _____ two years old last year. am was were are was * 三、用所给动词的适当形式填空。 1. I ________ (watch) a film on Saturday. 2. Her father _____ (read) a book last night. 3. We _____ to zoo yesterday. (go) 4. ____ you _______ (visit) your grandma last Spring Festival? watched read went Did visit * * 行为动词过去式的否定形式要加助动词didn’t，原谓语动词变回原形，didn’t没有人称和数的变化。如： She didn’t like the food in the big bowl. They didn’t notice Goldilocks at first. 一般过去时的疑问形式通过在句首加助动词did构成，原谓语动词变回原形。 —Did you phone Jim yesterday? —Yes, I did./ No, I didn’t. —Did he visit his aunt last weekend? —Yes, he did. /No, he didn’t. * 三、行为动词一般过去时的句式变化概括如下： 否定句式：主语+didn’t+动词原形+其他. 一般疑问句式： Did+主语+动词原形+其他？ 肯定答语